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Sagot :

Bonjour

Complète le tableau :

x | (+1) | (+1) | (-2) | (-5)

y | (+2) | (-5) | (+3) | (+7)

z | (+3) | (-3) | (-5) | ...

S | ...... | ...... | ....... | 0

S = x + y + z

1 + 2 + 3 = 6

1 - 5 - 3 = 1 - 8 = -7

-2 + 3 - 5 = 3 - 7 = -4

-5 + 7 + ... = 0

... = -7 + 5

... = -2

x | (+1) | (+1) | (-2) | (-5)

y | (+2) | (-5) | (+3) | (+7)

z | (+3) | (-3) | (-5) | (-2)

S | (+6) | (-7) | (-4) | 0

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